9739969 has 8 divisors (see below), whose sum is σ = 10267560. Its totient is φ = 9225216.

The previous prime is 9739949. The next prime is 9739979. The reversal of 9739969 is 9699379.

It can be written as a sum of positive squares in 4 ways, for example, as 1787569 + 7952400 = 1337^2 + 2820^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9739969 - 2⁵ = 9739937 is a prime.

It is a super-2 number, since 2×9739969² = 189733992241922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9739909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632 + ... + 4705.

It is an arithmetic number, because the mean of its divisors is an integer number (1283445).

Almost surely, 2^9739969 is an apocalyptic number.

It is an amenable number.

9739969 is a deficient number, since it is larger than the sum of its proper divisors (527591).

9739969 is a wasteful number, since it uses less digits than its factorization.

9739969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419.

The product of its digits is 826686, while the sum is 52.

The square root of 9739969 is about 3120.8923403411. The cubic root of 9739969 is about 213.5596456307.

The spelling of 9739969 in words is "nine million, seven hundred thirty-nine thousand, nine hundred sixty-nine".